Figure 18-25 Auto-Erase Timing
Figure 18-26 High-Speed, High-Reliability Programming Timing
Auto-erase setup
Auto-erase and status polling
Address
Command
in
Status polling
Command
in
Command
in
Command
in
5.0 V
12 V
5.0 V
V
CC
V
PP
CE
OE
WE
I/O
I/O to I/O
t
VPS
t
VPH
t
CEH
t
CES
t
CES
t
OEWS
t
WEP
t
CEH
t
CES
t
CWC
t
WEP
t
OEPS
t
AET
t
WEH
t
DS
t
DH
t
DS
t
DH
t
SPA
t
DF
7
0
6
t
VPH
t
VPS
t
CEH
t
CES
t
OEWS
t
WEP
t
CEH
t
CES
t
CWC
t
WEP
t
DS
t
DH
t
DS
t
DH
t
AS
t
AH
t
PPW
t
CES
t
WEH
t
CEH
t
WEP
t
OERS
t
DH
t
DS
t
VA
t
DF
Command
in
Command
in
Data
in
Command
in
Command
in
Valid data
out
Valid data
out
Data
in
Program setup
Program
Program-verify
Valid address
Address
5.0 V
12 V
5.0 V
V
CC
V
PP
CE
OE
WE
I/O
I/O to I/O
7
0
6
Note: Program-verify data output values may be intermediate between 1 and 0 if programming is insufficient.
622
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